发明名称 Method of cementing well casing using a high temperature cement system
摘要 A high temperature cement system including a carbon-containing, low volatile material additive admixed with cement in proportions sufficient to provide a fixed carbon content of at least 0.02 wt.%. Additives include anthracite, calcined coke, uncalcined coke and burned oil shale.
申请公布号 US4069870(A) 申请公布日期 1978.01.24
申请号 US19760700387 申请日期 1976.06.28
申请人 UNION OIL COMPANY OF CALIFORNIA 发明人 GALLUS, JULIUS P.
分类号 C04B14/02;C04B18/12;C09K8/46;(IPC1-7):E21B33/14 主分类号 C04B14/02
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